/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.alibaba.dubbo.demo.provider;

import com.alibaba.dubbo.demo.DemoService;
import com.alibaba.dubbo.rpc.RpcContext;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.concurrent.ThreadLocalRandom;
import java.util.concurrent.TimeUnit;

public class DemoServiceImpl implements DemoService {

    @Override
    public String sayHello1(String name) {
        sleep();
        System.out.println("[" + new SimpleDateFormat("HH:mm:ss").format(new Date()) + "] Hello1 " + name
                + ", request from consumer: " + RpcContext.getContext().getRemoteAddress());
        return "Hello1 " + name + ", response from provider: " + RpcContext.getContext().getLocalAddress();
    }

    @Override
    public String sayHello2(String name) {
        sleep();
        System.out.println("[" + new SimpleDateFormat("HH:mm:ss").format(new Date()) + "] Hello2 " + name
                + ", request from consumer: " + RpcContext.getContext().getRemoteAddress());
        return "Hello2 " + name + ", response from provider: " + RpcContext.getContext().getLocalAddress();
    }

    @Override
    public String sayHello3(String name) {
        sleep();
        System.out.println("[" + new SimpleDateFormat("HH:mm:ss").format(new Date()) + "] Hello3 " + name
                + ", request from consumer: " + RpcContext.getContext().getRemoteAddress());
        return "Hello3 " + name + ", response from provider: " + RpcContext.getContext().getLocalAddress();
    }

    /**
     * 随机睡眠0~100ms
     */
    private void sleep() {
        try {
            TimeUnit.MILLISECONDS.sleep(ThreadLocalRandom.current().nextInt(101));
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }

}
